/*
 * Copyright (c) 2007 innoSysTec (R) GmbH, Germany. All rights reserved.
 * Original author: Edmund Wagner
 * Creation date: 24.05.2007
 *
 * Source: $HeadURL$
 * Last changed: $LastChangedDate$
 * 
 * 
 * the unrar licence applies to all junrar source and binary distributions 
 * you are not allowed to use this source to re-create the RAR compression algorithm
 *
 * Here some html entities which can be used for escaping javadoc tags:
 * "&":  "&#038;" or "&amp;"
 * "<":  "&#060;" or "&lt;"
 * ">":  "&#062;" or "&gt;"
 * "@":  "&#064;" 
 */
package ir.mahdi.mzip.rar.rarfile;

import ir.mahdi.mzip.rar.io.Raw;

public class EndArcHeader extends BaseBlock {

    public static final short endArcArchiveDataCrcSize = 4;
    public static final short endArcVolumeNumberSize = 2;
    private static final short EARC_NEXT_VOLUME = 0x0001;
    private static final short EARC_DATACRC = 0x0002;
    private static final short EARC_REVSPACE = 0x0004;
    private static final short EARC_VOLNUMBER = 0x0008;
    private static final short endArcHeaderSize = 6;
    private int archiveDataCRC;
    private short volumeNumber;


    public EndArcHeader(BaseBlock bb, byte[] endArcHeader) {
        super(bb);

        int pos = 0;
        if (hasArchiveDataCRC()) {
            archiveDataCRC = Raw.readIntLittleEndian(endArcHeader, pos);
            pos += 4;
        }
        if (hasVolumeNumber()) {
            volumeNumber = Raw.readShortLittleEndian(endArcHeader, pos);
        }
    }

    public int getArchiveDataCRC() {
        return archiveDataCRC;
    }

    public short getVolumeNumber() {
        return volumeNumber;
    }
}
